Gemma 1 vs GPT-5.3-Codex
Google Gemma 1 | OpenAI GPT-5.3-Codex | |
|---|---|---|
| Overview | ||
| Company | OpenAI | |
| Release date | Feb 21 2024 | Feb 5 2026 |
| Access | Open Weight | Proprietary |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | — | 24% |
Next.js coding Next.js EvalsVercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | — | 83% |
| Timeline | ||
| Release gap | Gemma 1 shipped 715 days before GPT-5.3-Codex | |
Which is better: Gemma 1 or GPT-5.3-Codex?
Gemma 1 and GPT-5.3-Codex don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemma 1 shipped 715 days before GPT-5.3-Codex, so benchmark comparisons should account for the intervening progress.
Gemma 1 is open weight, while GPT-5.3-Codex is proprietary.
Direct benchmark comparisons are unavailable — Gemma 1 and GPT-5.3-Codex don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemma 1 was released by Google on Feb 21 2024.
GPT-5.3-Codex was released by OpenAI on Feb 5 2026.
Gemma 1 is an open weight model released by Google. GPT-5.3-Codex is a proprietary model released by OpenAI.
Other comparisons
Gemma 1 vs Claude Sonnet 5GPT-5.3-Codex vs Claude Sonnet 5Gemma 1 vs Muse Spark 1.1GPT-5.3-Codex vs Muse Spark 1.1Gemma 1 vs Grok 4.5GPT-5.3-Codex vs Grok 4.5Gemma 1 vs DeepSeek-V4-ProGPT-5.3-Codex vs DeepSeek-V4-ProGemma 1 vs Mistral Medium 3.5GPT-5.3-Codex vs Mistral Medium 3.5Gemma 1 vs Kimi K2.7 CodeGPT-5.3-Codex vs Kimi K2.7 Code